more than a dozen states are bracing for today's storm, with winter weather warnings from nevada to michigan. places like omaha, des moines and goodland, kansas, are expected to get the worth of it. 6 to 12 inches accompanied by fierce winds. the wild weather is blowing in from st. louis to baton rouge, bringing thunderstorms and possible tornadoes. >> winter doesn't even officially start until what? friday. >> december 21st. >>> coming up next, mark zuckerberg's latest generous gesture, extremely generous is probably more accurate. >>> then, one of the most popular social media sites does a complete reversal after a user revolt. >>> and delivery day of a new escalator, high atop the new world trade center. i'm only in my 60's... i've got a nice long life ahead. big plans. so when i found out medicare doesn't pay all my medical expenses, i got a medicare supplement insurance plan. [ male announcer ] if you're eligible for medicare, you may know it only covers about 80% of your part b medical expenses. the rest is up to you. call and find out about an aarp medicare supplement insurance plan,